Ideal for allowing the Aeromotive Dual Action Carbureted Fuel Log to be converted using replacement stand-off for various other carburetors equipped with a different thread in the float bowl.?Also works as a service/replacement for existing stand-off. All gaskets and seals required for service or conversion are included. 7/8? ? 20 thread for Std. Holley style float bowl. Conversion includes new stand-offs plus all o-rings and seals required. Converts other Aeromotive dual action carbureted fuel logs to be compatible with Standard Holley style bowls.